the rounded portion of the brain, directly behind the cerebrum in birds and mammals, that serves mainly to coordinate movement, posture, and balance. [1555â65; < Latin: brain, diminutive of cerebrum (for formation see castle)] cer`eâ¢belâ²lar, adj.
A pulled muscle is a painful injury that is caused when muscle fibers become torn. These injuries are usually caused by engaging in physical activity without properly warming up first. They can also occur when a person who is not in shape does something that is strenuous to the muscles.
A pulled shoulder muscle is characterized by a stretch or tear of the rhomboid muscles in the upper back that connect the shoulder blade's inner edges to the spine, according to Summit Medical Group. The muscle typically spasms with a sudden tightening sensation. Keep Learning.